import axios from 'axios'
import { Message } from 'element-ui'
import store from '@/store'
// import { getToken } from '@/utils/auth'
import router from '@/router'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    // if (store.getters.token) {
    //   // let each request carry token
    //   // ['X-Token'] is a custom headers key
    //   // please modify it according to the actual situation
    //   config.headers['ljmtoken'] = getToken()
    // }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  response => {
    const res = response.data
    if (res.status !== '200') {
      if (res.status === '403') {
        const url = response.request.responseURL
        if(url.includes('/doLogin')){
          Message({
            message: res.message || 'Error',
            type: 'error',
            duration: 5 * 1000
          })
        }else{
          store.dispatch('user/resetToken').then(() => {
            location.reload()
          })
        }
      } else {
        Message({
          message: res.message || 'Error',
          type: 'error',
          duration: 5 * 1000
        })
      }
      return Promise.reject(new Error(res.message || 'Error'))
    } else {
      return res
    }
  },
  error => {
    if (error.response.status === 404) {
      // 404
      router.push({ path: '/404' })
    }else if (error.response.status === 403) {
      // 未登录
      store.dispatch('user/resetToken').then(() => {
        location.reload()
      })
    }else if (error.response.status === 401) {
      // 无权限
      router.push({ path: '/401' })
    } else {
      console.log('err' + error) // for debug
      Message({
        message: error.message,
        type: 'error',
        duration: 5 * 1000
      })
    }
    return Promise.resolve(error)
  }
)

export default service
